Arundel senior quarterback Billy Cosh closed out his high school career Friday night, a couple weeks sooner than he would have liked, but that didn’t stop him from adding a few more pages to the state record book he has been rewriting for two years.

In Friday night’s double-overtime loss to Old Mill in the Class 3A East region final, Cosh set two more state career records, bringing his career total to 13 as he threw for four touchdowns and completed 32 of 60 passes for 443 yards. He broke the record for most passing yards in a career and most pass attempts in a career.

Cosh, who is headed for Kansas State, has 7,433 passing yards, breaking the record of 7,371 set by Friendly’s Joe Haden in 2006. He passed the ball 909 times, bettering the 902 by North County’s Mike Pfisterer set in 2000.

One of the most remarkable things about Cosh’s four state career records is that he set them in a little over two seasons. He played in only 30 games – just five as a sophomore.

Here’s a quick look at the final edition of the Cosh record book. The * indicates an overall state record. The others are public school marks.

Game

• Most passing yards: 475
• Most passes attempted: 64*
• Most passes completed: 39*
• Most touchdown passes: 7 (tied)*

Season

• Most total offensive yards: 4,074*
• Most passing yards: 3,913*
• Most passes attempted: 448*
• Most passes completed: 292*
• Most touchdown passes: 56*

Career

• Most passing yards: 7,433
• Most passes attempted: 909
• Most passes completed: 594
• Most touchdown passes: 112

(My thanks to Sean Asbury for supplying the Arundel stats every week and also to Mike Loveday and Sheldon Shealer of ESPN Rise/MDVarsity.com for their knowledge of the state records.)